We need to administer a public questionnaire about the upcoming election. We want this survey to be unbiased, and make sure that everyone has an equal chance of being chosen to participate. Which of the following should we use to meet these goals?

Question

Quizplus · Accepted Answer

Random selection ensures that each person has an equal chance of being chosen to participate, thus making the sample unbiased. The survey method is a given since we need to administer a questionnaire. The case study design and placebo effect are not applicable in this scenario.

We Need to Administer a Public Questionnaire About the Upcoming